<template>
  <div class="login-wrap">
    <el-form label-position="left" :model="ruleForm" :rules="rules" ref="ruleForm" label-width="0px"
             class="demo-ruleForm login-container">
      <h3 class="title">酷猫音乐管理平台</h3>
      <el-form-item prop="username">
        <el-input type="text" v-model="ruleForm.username" auto-complete="off" placeholder="账号"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input type="password" v-model="ruleForm.password" auto-complete="off" placeholder="密码"></el-input>
      </el-form-item>
      <el-row>
        <el-col :span="12">
          <el-form-item prop="code">
            <el-input type="text" v-model="ruleForm.code" auto-complete="off" placeholder="图形验证码"
                      @keyup.enter.native="submitForm('ruleForm')"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="12" class="code-box">
          <img :src="ruleForm.codeimg" alt="" class="codeimg" @click="getCode()">
        </el-col>
      </el-row>
      <el-form-item style="width:100%;">
        <el-button type="primary" style="width:100%;" @click="submitForm('ruleForm')" :loading="logining">登录</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
  import {login} from '../api/userMG'
  import {setCookie, getCookie, delCookie} from '../utils/util'
  import md5 from 'js-md5'

  export default {
    name: 'login',
    data() {
      return {
        //定义loading默认为false
        logining: false,
        ruleForm: {
          //username和password默认为空
          username: '',
          password: '',
          code: '',
          randomStr: '',
          codeimg: ''
        },
        //rules前端验证
        rules: {
          username: [{required: true, message: '请输入账号', trigger: 'blur'}],
          password: [{required: true, message: '请输入密码', trigger: 'blur'}],
          code: [{required: true, message: '请输入验证码', trigger: 'blur'}]
        }
      }
    },
    // 创建完毕状态(里面是操作)
    created() {
      this.verifyToken();
      // 获取图形验证码
      this.getCode();
    },
    methods: {
      //获取验证码图片
      getCode() {
        this.$axios({
          method: 'get',
          url: '/adminUser/before/imgCode',
          responseType: 'blob'
        }).then((res) => {
          console.log(window.URL.createObjectURL(res.data));
          this.ruleForm.codeimg = window.URL.createObjectURL(res.data);
        })
      },
      //获取info列表
      submitForm(formName) {
        this.$refs[formName].validate(valid => {
          if (valid) {
            this.logining = true;
            this.$axios({
              method:'post',
              url:'/adminUser/before/login',
              data: {
                username: this.ruleForm.username,
                password: this.ruleForm.password,
                code: this.ruleForm.code
              }
            }).then(res=>{
              if (res.data.msgCode === '200'){
                localStorage.setItem("adminToken",res.data.data.token);
                this.$store.commit('login', 'true');
                this.$router.push({path: '/goods/music'});
              }else {
                this.$message.warning(res.data.msg);
              }
              this.logining = false;
            })
          } else {
            // 获取图形验证码
            this.getCode();
            this.$message.error('请输入用户名密码！');
            this.logining = false;
            return false;
          }
        })
      },
      //验证用户token，存在token（没有过期）直接登录
      verifyToken() {
        let token = localStorage.getItem("adminToken");
        this.$axios({
          method: 'post',
          url: '/adminUser/verifyToken',
          headers: {
            authentication: token
          }
        }).then(res => {
          if (res.data.msgCode === '200') {
            this.$store.commit('login', 'true');
            this.$router.push({path: '/goods/music'});
          }
        })
      }
    }
  }
</script>

<style scoped>
  .login-wrap {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    padding-top: 10%;
    background-image: url();
    /* background-color: #112346; */
    background-repeat: no-repeat;
    background-position: center right;
    background-size: 100%;
  }

  .login-container {
    border-radius: 10px;
    margin: 0px auto;
    width: 350px;
    padding: 30px 35px 15px 35px;
    background: #fff;
    border: 1px solid #eaeaea;
    text-align: left;
    box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
  }

  .title {
    margin: 0px auto 40px auto;
    text-align: center;
    color: #505458;
  }

  .remember {
    margin: 0px 0px 35px 0px;
  }

  .code-box {
    text-align: right;
  }

  .codeimg {
    height: 40px;
  }
</style>
